<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
    </style>
    <script type="text/javascript" src="//api.map.baidu.com/api?type=webgl&v=2.0&ak=ZFuu1YvrhINdrlCT5qYA8uyvBUQOEXZZ"></script>
    <title>地球模式</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
    // GL版命名空间为BMapGL
    var map = new BMapGL.Map("allmap");    // 创建Map实例
    map.centerAndZoom(new BMapGL.Point(118.5, 27.5), 5);  // 初始化地图,设置中心点坐标和地图级别
    map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
    map.setMapType(BMAP_EARTH_MAP);      // 设置地图类型为地球模式
</script>